$OpenBSD: patch-content_child_child_process_cc,v 1.2 2017/04/28 22:22:36 robert Exp $
--- content/child/child_process.cc.orig.port	Wed Apr 19 21:06:33 2017
+++ content/child/child_process.cc	Thu Apr 27 19:56:01 2017
@@ -133,7 +133,7 @@ void ChildProcess::ReleaseProcess() {
     main_thread_->OnProcessFinalRelease();
 }
 
-#if defined(OS_LINUX)
+#if defined(OS_LINUX) || defined(OS_BSD)
 void ChildProcess::SetIOThreadPriority(
     base::ThreadPriority io_thread_priority) {
   main_thread_->SetThreadPriority(io_thread_.GetThreadId(), io_thread_priority);
